verb
- speaking or writing at length or in great detail about something
Usage: present participle of expatiate; formal
Examples
- The professor was expatiating on the causes of the Civil War.
- She spent an hour expatiating upon her travel experiences.
- The author is expatiating on themes of love and loss.
- He kept expatiating about his new business venture.
- The speaker was expatiating at length on economic policy.
- Rather than expatiating on details, she gave a brief summary.